Powertrain Management: Locations
MULTIPORT FUEL INJECTION AND IGNITION SYSTEMEngine Control Module (ECM)
^ Not shown
^ Located in passenger-side foot- well, in electronics box under carpeting
Connector / Component Locations:
Components 1 thru 7
1 Harness connectors:
A For Oxygen Sensor # 1 heater
^ Heater for heated oxygen sensor # 1, right bank
^ Black 2-pin connector
B For Ignition coils
^ Battery positive voltage (B+) supply
^ White connector
C For Heated Oxygen Sensor (HO2S)
^ Signal wire
^ Under connector holder on bulkhead
D For Knock Sensor (KS) # 1
^ Blue connector
E For Engine Speed (RPM) sensor
^ Gray connector
F For Crankshaft Position (CKP) sensor
^ Black connector
2 Power output stage
^ For ignition coils
A Signal wires
^ From Engine Control Module (ECM)
^ Brown 4-pin connector
B Ignition coil primary circuit connections
3 Throttle Position (TP) sensor
^ With integrated Closed Throttle Position (CTP) switch
4 Harness connectors:
A For Heated Oxygen Sensor (HO2S) # 2
^ Signal wire
B For Oxygen Sensor # 2 heater
^ Heater for heated oxygen sensor # 2, left bank
^ Black 2-pin connector
C For Knock Sensor (KS) # 2
^ Blue connector
5 EGR valve and temperature sensor
^ US vehicles only
6 Camshaft Position (CMP) sensor
7 Data Link Connector (DLC)
Connector / Component Locations:
Components 8 thru 14
8 Engine Coolant Temperature (ECT) sensor
^ In coolant line behind cylinder head
9 Heated Oxygen Sensor (HO2S) # 2
10 Engine Speed (RPM) sensor
11 Knock Sensor (KS) # 2
12 Crankshaft Position (CKP) sensor
^ Reference mark on left-hand side of cylinder block
13 Fuel Injectors
14 Ignition coils
^ Ignition coil # 1
^ Ignition coil # 2
^ Ignition coil # 3
Connector / Component Locations:
Components 15 thru 23
15 Ground (GND) connection
^ On intake manifold
16 Idle Air Control (IAC) valve
17 Fuel pressure regulator
18 Heated Oxygen Sensor (HO2S)
19 A EGR vacuum regulator solenoid valve
19 B Intake manifold change-over valve
20 EVAP canister purge regulator valve
21 Mass Air Flow (MAF) sensor
22 Knock Sensor (KS) # 1
23 Ground (GND) connection
^ On right engine mount
FUEL RAIL AND INJECTORS
CAUTION!
Seals must always be replaced.
Fuel Rail And Injectors:
1 Fuel supply line
^ 25 Nm (18 ft/lb)
2 Fuel return line
^ 25 Nm (18 ft/lb)
3 10 Nm (7 ft/lb)
4 Clamp for fuel pressure regulator
5 Seals
^ Always replace
6 Fuel pressure regulator
^ Checking system and residual pressure.
7 Fuel rail
^ Also serves as retainer for fuel injectors
8 Safety clamp for fuel injector
9 Seal
^ Always replace
10 Injectors
^ Checking
11 Seal
^ Always replace
12 Compound intake manifold
INTAKE MANIFOLD ASSEMBLY
CAUTION!
Seals must always be replaced.
Intake Manifold:
1 Intake manifold upper section
2 10 Nm (7 ft/lb)
3 20 Nm (15 ft/lb)
4 Seal
^ Always replace
5 Idle Air Control (IAC) valve
^ Checking
6 10 Nm (7 ft/lb)
7 6 Nm (53 in/lb)
8 Flange
9 Intake manifold, lower section
10 Gasket
^ Always replace
11 10 Nm (7 ft/lb)
12 Vacuum unit
13 20 Nm (15 ft/lb)
14 Throttle Body (TB)
15 Gasket
^ Always replace
16 20 Nm (15 ft/lb)
17 EGR valve
18 EGR temperature sensor
^ On intake manifold under throttle body
19 10 Nm (7 ft/lb)
20 Gasket
^ Always replace
21 10 Nm (7 ft/lb)